/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gjson;

/**
 * Represents a JSON number. Numbers are represented by <code>double</code>s.
 */
public class JSONNumber extends JSONValue {

	private double value;

	/**
	 * Creates a new JSONNumber from the double value.
	 */
	public JSONNumber(double value) {
		this.value = value;
	}

	/**
	 * Gets the double value this JSONNumber represents.
	 */
	public double doubleValue() {
		return value;
	}

	@Override
	public boolean equals(Object other) {
		if (!(other instanceof JSONNumber)) {
			return false;
		}
		return value == ((JSONNumber) other).value;
	}

	/**
	 * Gets the double value this JSONNumber represents.
	 * 
	 * @deprecated See {@link #doubleValue()}
	 */
	@Deprecated
	public double getValue() {
		return value;
	}

	@Override
	public int hashCode() {
		// Just use the underlying double's hashCode.
		return Double.valueOf(value).hashCode();
	}

	/**
	 * Returns <code>this</code>, as this is a JSONNumber.
	 */
	@Override
	public JSONNumber isNumber() {
		return this;
	}

	/**
	 * Returns the JSON representation of this number.
	 */
	@Override
	public String toString() {
		return String.valueOf(value);
	};

}
